运行效果：
MFC 直线 虚线 折线 圆 椭圆 矩形 弧形(二)
[i]);
pDC->Ellipse(&rect);
}
pDC->SelectObject(oldPen);
}
//绘制弧线
void CLineTestDlg::DrawArc(CDC *pDC)
{
CRect rect(150,400,220,460);
CPoint ptStart(170,440);
CPoint ptEnd(210,400);
CPen *oldPen=pDC->SelectObject(&m_pen[0]);
for(int i=0;i<5;i++)
{
rect.OffsetRect(80,0);
ptStart+=CPoint(80,0);
ptEnd+=CPoint(80,0);
pDC->SelectObject(&m_pen[i]);
pDC->Arc(&rect,ptStart,ptEnd);
}
pDC->SelectObject(oldPen);
}
//绘制直线与弧线
void CLineTestDlg::DrawAngleArc(CDC *pDC)
{
CRect rect(150,500,220,560);
CPoint ptCenter(185,600);
CPoint ptStart(150,630);
int r=30;
float angleStart=0;
float angleEnd=180;
CPen *oldPen=pDC->SelectObject(&m_pen[0]);
for(int i=0;i<5;i++)
{
rect.OffsetRect(80,0);
ptStart+=CPoint(80,0);
pDC->MoveTo(ptStart);
pDC->SelectObject(&m_pen[i]);
pDC->AngleArc(ptCenter.x,ptCenter.y,r,angleStart,angleEnd);
}
pDC->SelectObject(oldPen);
}
运行效果：
运行效果：